1# $FreeBSD$ 2 3Some remarks for setting up a zfs boot environment 4 5ZFS Boot sctructure: 6boot 7+-ROOT 8 +-root 9[+-root2] 10[+-root3] 11 12zpool create -o mountpoint=none boot ... 13zpool set listsnapshots=on boot 14 15zfs create -o mountpoint=/mnt boot/ROOT 16zfs create boot/ROOT/root 17 18Fill -> /mnt/root 19 20cp /boot/zfs/zpool.cache /mnt/root/boot/zfs/zpool.cache 21zpool set bootfs=boot/ROOT/root boot 22 23set in /mnt/root/boot/loader.conf 24#ZFS mandatory 25zfs_load="YES" 26vfs.root.mountfrom="zfs:boot/ROOT/root" 27#ZFS optional 28vm.kmem_size="8G" 29vfs.zfs.arc_min="1G" 30vfs.zfs.arc_max="2G" 31vfs.zfs.prefetch_disable="1" 32vfs.zfs.zil_disable=1 33vfs.zfs.zio.use_uma=0 34#Power savings 35hw.pci.do_power_nodriver=3 36